this derivation will be built:
  /nix/store/vra2vkin0vw16j7nm63vj6kp9qx0c5cf-vm-test-run-pg-upgrade-start-guard.drv
error: build of '/nix/store/vra2vkin0vw16j7nm63vj6kp9qx0c5cf-vm-test-run-pg-upgrade-start-guard.drv' on 'ssh-ng://builder@mac-linux-builder' failed: Cannot build '/nix/store/vra2vkin0vw16j7nm63vj6kp9qx0c5cf-vm-test-run-pg-upgrade-start-guard.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/gcy4qgwaiyn0ayqb5h9cwmz88qkrw2zn-vm-test-run-pg-upgrade-start-guard
       Last 25 log lines:
       > Creating script to delete old cluster                         ok
       > Checking for extension updates                                ok
       >
       > Upgrade Complete
       > ----------------
       > Optimizer statistics are not transferred by pg_upgrade.
       > Once you start the new server, consider running:
       >     /nix/store/2b08ap06lbcgyk3pnh18zsw06n7rp0vb-postgresql-and-plugins-17.11/bin/vacuumdb -U postgres --all --analyze-in-stages
       > Running this script will delete the old cluster's data files:
       >     ./delete_old_cluster.sh
       > [15:39:44] ERROR: postgresql.service is activating after pg_upgrade; the copied data files may be inconsistent
       >
       > !!! Test "A real pg_upgrade copy under a start storm" failed with error: "command `systemd-run --unit=fake-initiate --collect --pipe --wait /nix/store/d9j1f2c77jglqpvq25fav2rpx8z7gsia-drive/bin/drive upgrade` failed (exit code 1)"
       > !!! Traceback (most recent call last):
       > !!!   File "<string>", line 69, in <module>
       > !!!     server.succeed(f"systemd-run --unit=fake-initiate --collect --pipe --wait {DRIVE} upgrade")
       > !!! 
       > !!! RequestedAssertionFailed: command `systemd-run --unit=fake-initiate --collect --pipe --wait /nix/store/d9j1f2c77jglqpvq25fav2rpx8z7gsia-drive/bin/drive upgrade` failed (exit code 1)
       > cleanup
       > kill machine (pid 9)
       > qemu-system-aarch64: terminating on signal 15 from pid 6 (/nix/store/y88crn50yx35fiiwcjx6xqwi6ahk7mlq-python3-3.13.11/bin/python3.13)
       > vde_switch: EOF data port: Interrupted system call
       > kill vlan (pid 7)
       > vde_switch: Caught signal 15, cleaning up and exiting
       > (finished: cleanup, in 0.01 seconds)
       For full logs, run:
         nix-store -l /nix/store/vra2vkin0vw16j7nm63vj6kp9qx0c5cf-vm-test-run-pg-upgrade-start-guard.drv
error: Cannot build '/nix/store/vra2vkin0vw16j7nm63vj6kp9qx0c5cf-vm-test-run-pg-upgrade-start-guard.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/gcy4qgwaiyn0ayqb5h9cwmz88qkrw2zn-vm-test-run-pg-upgrade-start-guard